Finding the Fourth Proportional to 479,369.79, 719,053.70 and 279,550.13
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Solution
The fourth proportional to 479,369.79, 719,053.70 and 279,550.13 is: 419,324.62
Step by Step Solution
- Step 1: Write the proportion equation
479,369.79 : 719,053.70 = 279,550.13 : x - Step 2: Convert to fraction form
479,369.79/719,053.70 = 279,550.13/x - Step 3: Cross multiply
479,369.79x = 719,053.70 × 279,550.13 - Step 4: Simplify right side
479,369.79x = 201,011,553,914.23 - Step 5: Solve for x
x = 201,011,553,914.23/479,369.79 - Step 6: Final answer
x = 419,324.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.